Each mole of bicarbonate you ...

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Each mole of bicarbonate you need to neutralize will require 1/2 mole of sulfuric acid.

at 5 cycles of concentration, you will need to reduce the incoming bicarbonate down to 14 mg/l (14 x 5 = 70).

(65-14 mg/l)(1g/1000mg)(1 mol/100g) =  5.1E-4 mol/liter

Sulfuric acid is diuretic meaning it has 2 hydrogen released per mole.

(5.1E-4 mol/liter)(1/2)(1/98%)(98 g/mol)(1000mg/g)=25.5 mg/l.

 

(25.5 mg/l H2SO4)(315.74 m3/hr)=8.05 kg H2SO4 98%/hr.